Home / 11,489.49-15,854.67-6,708.06

Finding the Fourth Proportional to 11,489.49, 15,854.67 and 6,708.06

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Solution

The fourth proportional to 11,489.49, 15,854.67 and 6,708.06 is: 9,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.49 : 15,854.67 = 6,708.06 : x
  2. Step 2: Convert to fraction form
    11,489.49/15,854.67 = 6,708.06/x
  3. Step 3: Cross multiply
    11,489.49x = 15,854.67 × 6,708.06
  4. Step 4: Simplify right side
    11,489.49x = 106,354,077.64
  5. Step 5: Solve for x
    x = 106,354,077.64/11,489.49
  6. Step 6: Final answer
    x = 9,256.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.